The basin of the Shuswap River (pronounced /ˈʃuːʃwɑːp/) lies northeast of the Okanagan Valley in British Columbia, originating in the central Monashee Mountains. It is the upper part of the drainage better known to British Columbians as belonging to Shuswap Lake and the South Thompson River. The river's drainage basin is over 1,969 square kilometres (760 sq mi) in area.[1]